🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 13.7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,114,225 km

• M1: 170,542 km (0.056 R)
• M2: 602,730 km (0.071 R)
• M3: 1,064,688 km (0.085 R)
• M4: 1,571,226 km (0.077 R)
• M5: 2,239,929 km (0.036 R)
• M6: 3,044,017 km (0.036 R)
• M7: 3,607,553 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 14.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.19 AU - 2.27 AU

Year: 2299 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,114,225 km

• M1: 184,604 km (0.063 R)
• M2: 693,985 km (0.116 R)
• M3: 1,216,979 km (0.11 R)
• M4: 1,863,541 km (0.087 R)
• M5: 2,860,461 km (0.119 R)
• M6: 3,321,372 km (0.117 R)
• M7: 4,609,110 km (0.082 R)
• M8: 5,783,154 km (0.114 R)
• M9: 6,354,469 km (0.112 R)
• M10: 7,893,083 km (0.118 R)
• M11: 8,872,949 km (0.119 R)
• M12: 10,372,368 km (0.108 R)
• M13: 11,921,604 km (0.079 R)
• M14: 13,703,315 km (0.079 R)
• M15: 14,377,702 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.2

Radius: 8.6

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.8 AU - 3.58 AU

Year: 3933 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,114,225 km

• M1: 106,962 km (0.074 R)
• M2: 456,722 km (0.055 R)
• M3: 849,417 km (0.054 R)
• M4: 1,706,014 km (0.107 R)
• M5: 2,005,958 km (0.096 R)
• M6: 2,646,237 km (0.117 R)
• M7: 3,014,247 km (0.05 R)
• M8: 3,317,333 km (0.075 R)
• M9: 3,941,156 km (0.103 R)
• M10: 4,866,419 km (0.072 R)
• M11: 6,346,839 km (0.081 R)
• M12: 6,911,870 km (0.116 R)
• M13: 7,786,719 km (0.066 R)
• M14: 9,960,376 km (0.119 R)
• M15: 11,525,020 km (0.078 R)
• M16: 12,850,307 km (0.11 R)
• M17: 13,196,926 km (0.113 R)
• M18: 14,274,330 km (0.119 R)
• M19: 16,371,393 km (0.111 R)
• M20: 18,228,052 km (0.118 R)
• M21: 19,046,801 km (0.096 R)
• M22: 20,353,987 km (0.117 R)
• M23: 22,784,055 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 8.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.5 AU - 3.94 AU

Year: 3988 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,114,225 km

• M1: 109,506 km (0.047 R)
• M2: 794,065 km (0.086 R)
• M3: 1,076,357 km (0.03 R)
• M4: 1,695,393 km (0.073 R)
• M5: 1,985,613 km (0.054 R)
• M6: 2,476,742 km (0.106 R)
• M7: 3,462,144 km (0.061 R)
• M8: 4,914,589 km (0.087 R)
• M9: 6,622,399 km (0.058 R)
• M10: 8,003,037 km (0.05 R)
• M11: 9,210,292 km (0.113 R)
• M12: 11,940,154 km (0.088 R)
• M13: 12,363,666 km (0.038 R)
• M14: 14,585,344 km (0.09 R)
• M15: 15,118,361 km (0.099 R)
• M16: 15,866,201 km (0.092 R)
• M17: 16,172,128 km (0.11 R)
• M18: 16,848,610 km (0.11 R)
• M19: 17,167,104 km (0.119 R)
• M20: 17,816,209 km (0.107 R)
• M21: 19,220,783 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 9.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.44 AU - 4.3 AU

Year: 5255 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,114,225 km

• M1: 119,529 km (0.095 R)
• M2: 481,705 km (0.04 R)
• M3: 810,970 km (0.081 R)
• M4: 1,336,807 km (0.091 R)
• M5: 2,453,405 km (0.07 R)
• M6: 3,301,326 km (0.06 R)
• M7: 3,750,419 km (0.119 R)
• M8: 4,057,244 km (0.1 R)
• M9: 7,387,741 km (0.036 R)
• M10: 8,050,161 km (0.083 R)
• M11: 9,136,989 km (0.069 R)
• M12: 11,191,417 km (0.038 R)
• M13: 12,112,491 km (0.045 R)
• M14: 13,182,864 km (0.093 R)
• M15: 14,000,266 km (0.096 R)
• M16: 16,076,386 km (0.057 R)
• M17: 17,307,875 km (0.117 R)
• M18: 21,378,882 km (0.074 R)
• M19: 23,157,601 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 13.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.5 AU - 5.54 AU

Year: 6633 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,114,225 km

• M1: 168,298 km (0.077 R)
• M2: 608,115 km (0.09 R)
• M3: 1,392,158 km (0.06 R)
• M4: 2,043,507 km (0.047 R)
• M5: 2,689,022 km (0.115 R)
• M6: 3,274,099 km (0.119 R)
• M7: 5,182,818 km (0.053 R)
• M8: 5,695,640 km (0.102 R)
• M9: 10,251,044 km (0.06 R)
• M10: 10,975,098 km (0.065 R)
• M11: 11,506,470 km (0.097 R)
• M12: 14,217,333 km (0.091 R)
• M13: 16,000,839 km (0.098 R)
• M14: 16,975,918 km (0.069 R)
• M15: 20,204,838 km (0.094 R)
• M16: 21,686,755 km (0.028 R)
• M17: 23,095,966 km (0.084 R)
• M18: 25,246,436 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 12.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.91 AU - 5.41 AU

Year: 8091 Days

Day: 9.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,114,225 km

• M1: 157,975 km (0.056 R)
• M2: 1,022,501 km (0.106 R)
• M3: 2,303,059 km (0.063 R)
• M4: 2,940,945 km (0.062 R)
• M5: 3,414,571 km (0.114 R)
• M6: 3,914,228 km (0.079 R)
• M7: 6,351,926 km (0.089 R)
• M8: 7,730,620 km (0.038 R)
• M9: 8,769,577 km (0.087 R)
• M10: 10,721,380 km (0.073 R)
• M11: 13,347,122 km (0.101 R)
• M12: 18,368,823 km (0.087 R)
• M13: 20,365,805 km (0.108 R)
• M14: 22,259,116 km (0.089 R)
• M15: 23,584,852 km (0.07 R)
• M16: 24,787,470 km (0.081 R)
• M17: 26,943,624 km (0.102 R)
• M18: 28,067,403 km (0.12 R)
• M19: 29,417,673 km (0.11 R)
• M20: 30,508,541 km (0.048 R)
• M21: 34,594,508 km (0.115 R)
• M22: 38,091,956 km (0.072 R)
• M23: 38,559,898 km (0.104 R)
• M24: 40,712,761 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.9

Radius: 6.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.7 AU - 7.6 AU

Year: 10527 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,114,225 km

• M1: 95,443 km (0.106 R)
• M2: 1,125,574 km (0.113 R)
• M3: 2,083,898 km (0.117 R)
• M4: 3,042,970 km (0.095 R)
• M5: 6,133,064 km (0.073 R)
• M6: 6,797,278 km (0.061 R)
• M7: 10,939,494 km (0.084 R)
• M8: 16,621,819 km (0.087 R)
• M9: 17,256,563 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 11,548 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit